Recently I read, or heard (sorry, can’t recall where; I think it was on TV) that every vacuum cleaner salesman knows if (s)he demonstrates their cleaner (or, in fact, any cleaner) on a newly-vacuumed carpet, it will bring up more muck.
I thought I would try this for myself in our living room. I planned to keep going until my cordless vacuum ran out of battery, but I got bored first.
Sure enough, every time I emptied the muck bin and started again, the cleaner filled up again. After a few empties, the route to the dirt bin was blocking before it filled, as if the dust it was bringing up was thicker. That was the point when I became bored with clearing the entrance to the dust reservoir.
I recall my in-laws buying one of those expensive vacuum cleaners in the 1970s; I’m sure you remember them (the vacuum cleaners, not my in-laws). The company is still going (unlike my in-laws). They explained to us why they had taken a loan to buy it (yes, that expensive). The salesman demonstrated his machine on their recently-vacuumed carpet and showed them a full bag of collected grime.
That company probably still employs the same sales tactic. I don’t think my in-laws ever used any of the fancy accessories they bought with the cleaner.
Going forward, I’m not planning to vacuum my carpets several times a day. Nor will I tear them up and lay parquet.
We had fitted carpets in the house where I brought up four healthy offspring among dogs and cousins and dropped food (although the dogs were helpful with the dropped food – sometimes even before it was dropped). I am one of the school that advocates exposure to real life (ie. dust, dirt and pets) from an early age to build resistance.
As my gran used to say: ‘You have to eat a peck of dirt before you die.’*
* In Great Britain the peck is equal to 8 imperial quarts (2 imperial gallons), or one-fourth imperial bushel: ie. 554.84 cubic inches (9.092 litres). The peck has been in use since the early 14th century.